<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/login.do" method="post">
        用户名<input type="text" name="username"/><br>
        密码<input type="password" name="password"/><br>
        <input type="submit" value="登陆"/>
    </form>
</body>
</html>